Lizhi, Fang. "Bringing Down the Wall: Writings on Science, Culture, and Democracy in China". Edited and Translated by James H. Williams.  Alfred A. Knopf, Inc. New York: 1991.

Pink Floyd. Dark Side of the Moon. 1973.

Websites of note:

http://www.pinkfloyd-co.com/band/bnd_bio.html

http://www.rockhall.com/hof/inductee.asp?id=168

http://www.neptunepinkfloyd.co.uk/news/?y=03&id=0701

http://folk.uio.no/ericsp/his_brown.htm

http://www.rogerwatersonline.com/who.html

http://home.swipnet.se/NisseM/floyd.html